CN219468993U - CTP battery goes into case fixture - Google Patents
CTP battery goes into case fixture Download PDFInfo
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- CN219468993U CN219468993U CN202320913446.8U CN202320913446U CN219468993U CN 219468993 U CN219468993 U CN 219468993U CN 202320913446 U CN202320913446 U CN 202320913446U CN 219468993 U CN219468993 U CN 219468993U
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- clamping arm
- battery
- top plate
- movable clamping
- battery pack
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model relates to and discloses a CTP battery box-in clamping mechanism. Relates to the technical field of new energy batteries. The battery pack comprises a top plate, a fixed clamping arm arranged at one end of the top plate, a movable clamping arm arranged at the other end of the top plate, an adjusting device for adjusting the distance between the movable clamping arm and the fixed clamping arm, and a bottom covering device for supporting the bottom of the battery pack; the fixed clamping arm is abutted with one side of the battery pack, the movable clamping arm is movably connected with the top plate, and the adjusting device adjusts the position of the movable clamping arm on the top plate, so that the movable clamping arm is abutted with the other side of the battery pack. According to the utility model, the distance between the movable clamping arm and the fixed clamping arm is regulated by the regulating device, so that the movable clamping arm and the fixed clamping arm clamp the battery pack, and the bottom of the whole battery pack is supported by the bottom covering device, so that the pretightening force between each battery in the clamping process is ensured, and the middle part of the battery is prevented from falling down in the clamping process.
Description
Technical Field
The utility model relates to the technical field of new energy batteries, in particular to a CTP battery box-in clamping mechanism.
Background
The CTP technology in the new energy battery industry tends to be mature at present, the battery assembly is required to be directly transported and positioned into the box body in the manufacturing process of the battery pack, and the battery assembly is required to maintain the pretightening force above 300KG in the transportation process. The current common clamping method is that a cylinder or a motor is used for driving, and a sliding rail is used for guiding to drive a clamping arm to take and discharge a battery. By adopting the clamping method, in the transferring process of the battery assembly from the completion of stacking to the entering of the box, in order to ensure the pretightening force between each battery in the clamping process, the two ends of the battery assembly are clamped and stressed, the stress between the large faces of each battery is uneven, the lower couch of the battery at the middle part is obvious, the larger the clamping force is, the larger the deformation of the clamping arm is, the more obvious the battery is lowered and displaced, so that the uneven bottom of the battery after being placed in the box body is caused, and the risk of cold welding is caused. If the clamping force is reduced, the friction force between the end plates at the two sides of the battery assembly and the clamping arms is insufficient, and the falling risk generated in the battery transferring process can be possibly brought.
Chinese patent CN218619065U, publication No. 2023-03-14 discloses a battery module box-loading tooling, comprising a base, a clamping mechanism arranged at the bottom of the base, and a reinforcing structure arranged at the top of the base; the clamping mechanism is provided with a first clamping plate and a second clamping plate which can clamp the battery module, the first clamping plate and the second clamping plate both comprise a mounting plate arranged on the base, clamping claws arranged on the mounting plate, and a first reinforcing rib is arranged between the clamping claws and the mounting plate; the reinforcing structure comprises a plurality of second reinforcing ribs which are arranged at intervals, and each second reinforcing rib extends along the clamping direction of the clamping mechanism. When the first clamping plate and the second clamping plate of the box-in tool apply larger clamping force to two ends of the battery module, deformation is likely to occur, stress among large faces of each battery of the battery module is uneven at the moment, the middle part of the battery is caused to go down, the bottom of the battery placed in the box body is uneven, and the risk of cold welding is caused during welding.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and provides a CTP battery box clamping mechanism which can ensure the pretightening force between each battery in the clamping process, prevent the falling risk generated in the battery transferring process, and prevent the risk of cold welding caused by uneven bottom of the battery placed in a box body in the middle part of the battery in the clamping process.
The utility model provides a CTP battery box-in clamping mechanism which comprises a top plate, a fixed clamping arm arranged at one end of the top plate, a movable clamping arm arranged at the other end of the top plate, an adjusting device for adjusting the distance between the movable clamping arm and the fixed clamping arm, and a bottom covering device for supporting the bottom of a battery pack; the fixed clamping arm is abutted to one side of the battery pack, the movable clamping arm is movably connected with the top plate, and the adjusting device adjusts the position of the movable clamping arm on the top plate so that the movable clamping arm is abutted to the other side of the battery pack.
Further, the adjusting device comprises a connecting seat arranged below the top plate, a rotating piece in rotating fit with the connecting seat, and a rotating handle for operating the rotating piece to rotate, wherein one end of the rotating piece penetrates through the connecting seat and then is in rotating connection with the movable clamping arm.
Further, a trapezoid nut penetrating through the connecting seat is arranged on the connecting seat, the rotating piece is a trapezoid screw rod with one end penetrating through the trapezoid nut and connected with the movable clamping arm in a rotating mode, the middle of the trapezoid screw rod is in threaded connection with the trapezoid nut, and the rotating handle is arranged at the other end of the trapezoid screw rod.
Further, the connecting seat is provided with a bushing penetrating through the connecting seat, and the adjusting device further comprises a guide rod, one end of the guide rod is fixedly connected with the movable clamping arm, and the other end of the guide rod is inserted into the bushing.
Further, the bottom covering device comprises a lifting assembly, wherein the top of the lifting assembly is connected with the top plate, and a bottom covering plate is arranged at the bottom of the lifting assembly, and the lifting assembly can lift.
Further, the lifting assembly comprises a connecting rod horizontally connected with the top plate and a lifting rod vertically connected with the connecting rod, the lifting rod can move on the connecting rod in the vertical direction, and the bottom cover plate is arranged at the bottom of the lifting rod.
Further, the lifting assembly further comprises a fixing block for fixing the connecting rod below the top plate and a sliding block in sliding connection with the connecting rod, and the lifting rod is connected with the sliding block and can be adjusted in height in the vertical direction.
Further, the lifting assembly further comprises a first locking piece used for fixing or loosening the sliding block on the connecting rod, and a second locking piece used for fixing or loosening the lifting rod on the sliding block.
Further, the battery pack comprises a plurality of single batteries which are arranged in parallel, and end plates which are positioned on two sides of the single batteries, wherein the fixed clamping arms are abutted with the end plates on one side, and the movable clamping arms are abutted with the end plates on the other side.
Further, the end plate is provided with a zigzag groove, and the fixed clamping arm and the movable clamping arm are respectively provided with zigzag protrusions matched with the zigzag groove.
The CTP battery box-in clamping mechanism has the following gain effects:
(1) The clamping mechanism adjusts the distance between the movable clamping arm and the fixed clamping arm through the adjusting device, so that the movable clamping arm and the fixed clamping arm clamp the battery pack, and the bottom of the whole battery pack is supported through the bottom covering device, so that the pretightening force between each battery in the clamping process is ensured, and the middle part of the battery is prevented from being laid down in the clamping process;
(2) The clamping mechanism rotates the trapezoidal screw rod through the rotating handle, so that the middle part of the trapezoidal screw rod is in threaded connection with the trapezoidal nut, the trapezoidal screw rod is enabled to linearly move along the fixed path, and the movable clamping arm is driven to linearly move along the fixed path, so that the distance between the movable clamping arm and the fixed clamping arm is adjusted;
(3) When the trapezoidal screw rod of the clamping mechanism drives the movable clamping arm to linearly move along the fixed path, the position of the guide rod inserted into the bushing changes, so that the guide rod is limited through the bushing, the guide rod guides the linear movement of the movable clamping arm, and the linear movement of the movable clamping arm is more stable;
(4) The clamping mechanism drives the height of the pocket bottom plate to change through the lifting of the lifting assembly, so that the pocket bottom device supports the bottom of the battery pack, and the problem that the bottom of the battery pack is uneven after being placed into the box body and the risk of cold welding is caused in the clamping process because the middle part of the single battery is laid down is avoided;
(5) The battery pack of the clamping mechanism comprises a plurality of single batteries which are arranged in parallel, and end plates positioned at two sides of the single batteries, wherein a fixed clamping arm is abutted against one end plate, and a movable clamping arm is abutted against the other end plate, so that the two end plates are used for protecting the single batteries, the fixed clamping arm and the movable clamping arm are prevented from clamping the single batteries to damage, the use of the single batteries is influenced, and the performance of the battery pack is further influenced;
(6) All be equipped with the zigzag groove on two end plates of this fixture, all be equipped with the zigzag protrusion on fixed arm and the removal arm, when fixed arm and removal arm respectively with two end plates butt, the zigzag protrusion on fixed arm and the removal arm cooperates with the zigzag groove on two end plates respectively to increase the frictional force between fixed arm and removal arm and the end plate, and then prevent that the battery from transporting the in-process and dropping.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model. In the drawings, like reference numerals are used to identify like elements.
Fig. 1 is a schematic structural view of a CTP battery-in-box clamping mechanism according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of a battery pack of a CTP battery-in-box clamping mechanism according to an embodiment of the present utility model;
fig. 3 is a schematic structural view of a movable clamping arm and a fixed clamping arm of a CTP battery box clamping mechanism connected with a top plate according to an embodiment of the present utility model;
FIG. 4 is a cross-sectional view of a movable and stationary gripper arms of a CTP battery-in-box gripper mechanism connected to a top plate, according to an embodiment of the present utility model;
fig. 5 is a schematic structural diagram of a bottom covering device and top plate connection of a CTP battery box clamping mechanism according to an embodiment of the present utility model.
In the figure: 1. a top plate; 2. fixing the clamping arm; 3. moving the clamping arm; 31. zigzag protrusions; 4. an adjusting device; 41. a connecting seat; 411. a trapezoidal nut; 412. a bushing; 42. a trapezoidal screw rod; 43. rotating the handle; 44. a guide rod; 5. a bottom covering device; 51. a pocket bottom plate; 52. a connecting rod; 53. a lifting rod; 54. a fixed block; 55. a slide block; 56. a first lock; 57. a second locking member; 6. a battery pack; 61. a single battery; 62. an end plate; 621. zigzag grooves.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model, and all other embodiments obtained by those skilled in the art without making any creative effort based on the embodiments of the present utility model are included in the protection scope of the present utility model.
Referring to fig. 1 to 5, a CTP battery box-loading clamping mechanism according to an embodiment of the present utility model includes a top plate 1, a fixed clamping arm 2 disposed at one end of the top plate 1, a movable clamping arm 3 disposed at the other end of the top plate 1, an adjusting device 4 for adjusting a distance between the movable clamping arm 3 and the fixed clamping arm 2, and a bottom covering device 5 for supporting a bottom of a battery pack 6; the fixed clamping arm 2 is abutted with one side of the battery pack 6, the movable clamping arm 3 is movably connected with the top plate 1, and the adjusting device 4 adjusts the position of the movable clamping arm 3 on the top plate 1 to enable the movable clamping arm 3 to be abutted with the other side of the battery pack 6.
In this application, roof 1 one end is equipped with fixed arm 2, and the other end is equipped with and removes arm 3, and fixed arm 2 is fixed on roof 1, removes arm 3 and roof 1 removal and is connected, and adjusting device 4 removes on roof 1 through promoting to remove arm 3, adjusts the position of removing arm 3 on roof 1 to adjust the distance between arm 3 and the fixed arm 2. In actual use, one side of the battery pack 6 is abutted against the fixed clamping arm 2, and then the distance between the movable clamping arm 3 and the fixed clamping arm 2 is adjusted by the adjusting device 4, so that the movable clamping arm 3 is abutted against the other side of the battery pack 6, and the movable clamping arm 3 and the fixed clamping arm 2 clamp the battery pack 6.
It is envisioned that: be equipped with pressure sensor on fixed arm 2, be equipped with intelligent pressure digital display instrument on roof 1, when adjusting device 4 adjusts the distance between movable arm 3 and the fixed arm 2, make movable arm 3 and fixed arm 2 press from both sides tight with group battery 6, pressure sensor on the fixed arm 2 transmits the signal of telecommunication to intelligent pressure digital display instrument, after intelligent pressure digital display instrument handled the signal of telecommunication, the clamping force to group battery 6 with movable arm 3 and fixed arm 2 shows in the form of number, thereby accurate and audio-visual control movable arm 3 and fixed arm 2 to group battery 6's clamping force. After the numerical value displayed on the intelligent pressure digital display instrument reaches a preset value, the adjusting device 4 stops adjusting the movable clamping arm 3, so that pretightening force among each battery in the clamping process is ensured, and falling risks generated in the battery transferring process are prevented.
Because the battery pack 6 needs to maintain a pretightening force above 300KG in the transferring process, in the process, the movable clamping arm 3 and the fixed clamping arm 2 which clamp the battery pack 6 are likely to deform, meanwhile, the movable clamping arm 3 and the fixed clamping arm 2 only clamp the two sides of the battery pack 6, the battery pack 6 comprises a plurality of single batteries 61, the large faces of the single batteries 61 are stressed unevenly, therefore, the middle part of the single batteries 61 are likely to go down, and the larger the clamping force is, the larger the deformation of the movable clamping arm 3 and the fixed clamping arm 2 is, and the more obvious the single batteries 61 drop displacement is. Therefore, in the present application, the bottom covering device 5 is further provided for supporting the bottom of the whole battery pack 6, so that the middle part of the single battery 61 is prevented from being laid down in the clamping process, and the bottom of the battery pack 6 after being put into the box is uneven, which causes the risk of cold welding during welding.
In this embodiment, the adjusting device 4 includes a connecting seat 41 disposed below the top plate 1, a rotating member rotationally engaged with the connecting seat 41, and a rotating handle 43 for operating the rotating member to rotate, wherein one end of the rotating member penetrates through the connecting seat 41 and is rotationally connected with the movable clamping arm 3. The adjusting device 4 comprises a connecting seat 41, a rotating piece and a rotating handle 43, wherein the connecting seat 41 is arranged below the top plate 1, one end of the rotating piece penetrates through the connecting seat 41 and then is rotationally connected with the movable clamping arm 3, and the middle part of the rotating piece is in rotational fit with the connecting seat 41.
The other end of the rotating member is provided with a rotating handle 43, and the rotating member is rotated by the rotating handle 43 to enable the rotating center to be in rotating fit with the connecting seat 41, so that the rotating member can linearly move along a fixed path while rotating. Because the end of the rotating member is rotationally connected with the movable clamping arm 3, the movable clamping arm 3 does not rotate along the rotating member, and when the rotating member moves linearly along the fixed path, the movable clamping arm 3 is driven to move linearly along the fixed path, so that the distance between the movable clamping arm 3 and the fixed clamping arm 2 is adjusted, and the movable clamping arm 3 and the fixed clamping arm 2 clamp or unclamp the battery pack 6.
In this embodiment, the connecting seat 41 is provided with a trapezoidal nut 411 penetrating through the connecting seat 41, the rotating member is a trapezoidal screw 42 with one end penetrating through the trapezoidal nut 411 and rotationally connected with the movable clamping arm 3, the middle part of the trapezoidal screw 42 is in threaded connection with the trapezoidal nut 411, and the rotating handle 43 is arranged at the other end of the trapezoidal screw 42. The connecting seat 41 is provided with a trapezoidal nut 411, the trapezoidal nut 411 penetrates through the connecting seat 41, the rotating piece is a trapezoidal screw rod 42, one end of the trapezoidal screw rod 42 penetrates through the trapezoidal nut 411 and then is rotationally connected with the movable clamping arm 3, the trapezoidal screw rod 42 is in threaded connection with the trapezoidal nut 411, and the rotating handle 43 is arranged at the other end of the trapezoidal screw rod 42. The trapezoidal screw rod 42 is rotated through the rotating handle 43, so that the middle part of the trapezoidal screw rod 42 is in threaded connection with the trapezoidal nut 411, the trapezoidal screw rod 42 moves linearly along a fixed path, the movable clamping arm 3 is driven to move linearly along the fixed path, and the adjustment of the distance between the movable clamping arm 3 and the fixed clamping arm 2 is realized.
In this embodiment, the connecting seat 41 is provided with a bushing 412 penetrating through the connecting seat 41, and the adjusting device 4 further includes a guide rod 44 having one end fixedly connected to the movable clamping arm 3 and the other end inserted into the bushing 412. The connecting seat 41 is provided with a bushing 412, the bushing 412 penetrates through the connecting seat 41, the adjusting device 4 further comprises a guide rod 44, one end of the guide rod 44 is fixedly connected with the movable clamping arm 3, and the other end of the guide rod is inserted into the bushing 412. When the trapezoidal screw rod 42 drives the movable clamping arm 3 to linearly move along the fixed path, the position of the guide rod 44 inserted into the bushing 412 changes, so that the guide rod 44 is limited through the bushing 412, the guide rod 44 guides the linear movement of the movable clamping arm 3, and the linear movement of the movable clamping arm 3 is more stable.
It is envisioned that: in actual use, a plurality of bushings 412 can be arranged on the connecting seat 41, the adjusting device 4 further comprises a corresponding number of guide rods 44, one end of each guide rod 44 is fixedly connected with the movable clamping arm 3, the other end of each guide rod is spliced with the corresponding bushing 412, so that the plurality of guide rods 44 guide the linear movement of the movable clamping arm 3 at the same time, the linear movement of the movable clamping arm 3 is further stabilized, the plurality of guide rods 44 are fixedly connected with different positions of the movable clamping arm 3, and the plurality of guide rods 44 limit the rotation of the movable clamping arm 3.
In this application, although the end of the trapezoidal screw 42 is rotationally connected to the movable clamp arm 3, when the trapezoidal screw 42 rotates, the movable clamp arm 3 may be rotated by a certain angle under the action of friction force between the trapezoidal screw 42 and the movable clamp arm 3 or when the external world is mistakenly touched, so that the position where the movable clamp arm 3 abuts against the battery 6 changes, and the clamping effect of the movable clamp arm 3 and the fixed clamp arm 2 on the battery 6 is affected. Therefore, one end of the plurality of guide rods 44 is fixedly connected with different positions of the movable clamping arm 3, and the other end of the plurality of guide rods 44 is spliced with the fixed connecting seat 41, so that the plurality of guide rods 44 limit the rotation of the movable clamping arm 3, and the movable clamping arm 3 is prevented from rotating when the battery pack 6 is clamped, so that the position of the movable clamping arm 3, which is abutted against the battery pack 6, is changed, and the clamping effect of the movable clamping arm 3 and the fixed clamping arm 2 on the battery pack 6 is affected.
In this embodiment, the bottom covering device 5 includes a lifting assembly with a top connected to the top plate 1, and a bottom covering plate 51 disposed at the bottom of the lifting assembly, where the lifting assembly can lift. The bottom covering device 5 comprises a lifting assembly and a bottom covering plate 51, wherein the top of the lifting assembly is connected with the top plate 1, the lifting assembly can lift, and the bottom covering plate 51 is arranged at the bottom of the lifting assembly, so that the height of the bottom covering plate 51 is driven to change through the lifting of the lifting assembly.
Before the clamping mechanism clamps the battery pack 6, the lifting assembly descends to drive the height of the pocket bottom plate 51 to be reduced, so that the distance between the pocket bottom plate 51 and the top plate 1 is larger than the height of the battery pack 6; in the process of clamping the battery pack 6 by the clamping mechanism, the lifting assembly ascends again to drive the height of the pocket bottom plate 51 to rise, so that the pocket bottom plate 51 is abutted with the bottom of the battery pack 6, the bottom of the battery pack 6 is supported by the pocket bottom device 5, and the risk of cold welding is caused when the battery pack 6 is placed in the box due to uneven bottom caused by the fact that the middle part single battery 61 is placed in the couch in the clamping process.
In this embodiment, the lifting assembly includes a connecting rod 52 horizontally connected to the top plate 1, and a lifting rod 53 vertically connected to the connecting rod 52, wherein the lifting rod 53 can move in a vertical direction on the connecting rod 52, and the bottom plate 51 is disposed at the bottom of the lifting rod 53. The lifting assembly comprises a connecting rod 52 and a lifting rod 53, wherein the connecting rod 52 is horizontally connected with the top plate 1, the lifting rod 53 is vertically connected with the connecting rod 52, the lifting rod 53 can move on the connecting rod 52 in the vertical direction, the pocket bottom plate 51 is arranged at the bottom of the lifting rod 53, and therefore when the lifting rod 53 moves on the connecting rod 52 in the vertical direction, the height of the pocket bottom plate 51 is driven to change.
In the present embodiment, the lifting assembly further includes a fixing block 54 fixing the connection rod 52 below the top plate 1, and a slider 55 slidably connected with the connection rod 52, and the lifting rod 53 is connected with the slider 55 and is height-adjustable in the vertical direction. The lifting assembly further comprises a fixing block 54 and a sliding block 55, wherein the fixing block 54 horizontally fixes the connecting rod 52 below the top plate 1, and the sliding block 55 is in sliding connection with the connecting rod 52, so that the sliding block 55 can horizontally move on the connecting rod 52. The lifting lever 53 is connected to the slider 55, and is movable in the vertical direction on the slider 55, thereby adjusting the height in the vertical direction. Because the sizes of the different battery packs 6 are different, and before the battery packs 6 are clamped by the clamping mechanism, a space for accommodating the battery packs 6 is reserved between the bottom cover plate 51 and the top plate 1.
In the present application, therefore, the slider 55 is slidably connected to the link 52, so that the slider 55 can horizontally move on the link 52, and the lift lever 53 is connected to the slider 55. When the slider 55 horizontally moves on the connection rod 52, the lifting rod 53 is driven to move in the horizontal direction, so that the pocket floor 51 is driven to move in the horizontal direction. Before the battery pack 6 is clamped by the clamping mechanism, the sliding block 55 is firstly enabled to horizontally move on the connecting rod 52 in the direction away from the top plate 1, the pocket bottom plate 51 is driven to horizontally move in the direction away from the top plate 1 synchronously, so that the space width reserved below the top plate 1 is larger than the width of the battery pack 6 for the battery packs 6 with different sizes, the lifting rod 53 is enabled to vertically move on the sliding block 55, the height of the pocket bottom plate 51 is driven to descend, and therefore the space height reserved below the top plate 1 is enabled to be larger than the height of the battery pack 6 for the battery packs 6 with different sizes, and the space for accommodating the battery packs 6 with different sizes is reserved between the pocket bottom plate 51 and the top plate 1.
In the clamping process of the battery pack 6, the sliding block 55 is firstly enabled to horizontally move on the connecting rod 52 in the direction close to the top plate 1, the lifting rod 53 and the pocket bottom plate 51 are driven to horizontally move in the direction close to the top plate 1 synchronously until the lifting rod 53 is abutted against the side face of the battery pack 6, then the lifting rod 53 is enabled to vertically move on the sliding block 55, the height of the pocket bottom plate 51 is enabled to rise, the pocket bottom plate 51 is enabled to be abutted against the bottom of the battery pack 6, finally the adjusting device 4 adjusts the distance between the movable clamping arm 3 and the fixed clamping arm 2, the movable clamping arm 3 and the fixed clamping arm 2 are enabled to clamp the battery pack 6 in the length direction of the battery pack 6, and therefore the clamping mechanism is applicable to the battery pack 6 with different sizes, and the practicability of the clamping mechanism is enhanced.
It is envisioned that: in actual use, the lift assembly may include a plurality of fixed blocks 54, a plurality of connecting rods 52, a plurality of sliders 55, a plurality of lift rods 53, and two pocket floor plates 51. The fixing blocks 54 fix the connecting rods 52 below the top plate 1, and two sliding blocks 55 may be disposed on each connecting rod 52, each sliding block 55 is connected with one lifting rod 53, the lifting rods 53 on one side are simultaneously connected with one pocket bottom plate 51, and the lifting rods 53 on the other side are simultaneously connected with the other pocket bottom plate 51. Before clamping the battery pack 6, the two sliding blocks 55 on the same connecting rod 52 are moved in the direction away from each other to drive the two pocket bottom plates 51 away from each other, so that the distance between the two pocket bottom plates 51 is larger than the width of the battery pack 6, and then the lifting rods 53 are moved in the vertical direction at the sliding blocks 55 to drive the heights of the two pocket bottom plates 51 to descend, so that the distance between the two pocket bottom plates 51 and the top plate 1 is larger than the height of the battery pack 6.
In the clamping process of the battery pack 6, the two sliding blocks 55 on the same connecting rod 52 are moved in the direction away from each other to drive the two pocket bottom plates 51 to be away from each other until the lifting rods 53 on two sides are respectively abutted with two side surfaces of the battery pack 6, and then the lifting rods 53 are simultaneously moved in the vertical direction on the sliding blocks 55 to drive the heights of the two pocket bottom plates 51 to rise, so that the two pocket bottom plates 51 are simultaneously abutted with the bottom of the battery pack 6, and the support of the pocket bottom device 5 on the battery pack 6 is more stable.
In this embodiment, the lifting assembly further includes a first locking piece 56 for fixing or releasing the slider 55 to the connection rod 52, and a second locking piece 57 for fixing or releasing the lifting rod 53 to the slider 55. The lift assembly further includes a first lock 56 and a second lock 57, the first lock 56 fixing or releasing the slider 55 to the link lever 52, and the second lock 57 fixing or releasing the lift lever 53 to the slider 55. When the first locking member 56 releases the slider 55 on the connecting rod 52, the slider 55 can move horizontally on the connecting rod 52, thereby driving the lifting rod 53 and the pocket floor 51 to move horizontally synchronously. After the adjustment of the position of the pocket bottom plate 51 in the horizontal direction is completed, the slider 55 is fixed on the connecting rod 52 by the first locking member 56, so that the position of the pocket bottom plate 51 in the horizontal direction is fixed.
When the second locking piece 57 releases the lifting rod 53 on the sliding block 55, the lifting rod 53 can move vertically on the sliding block 55 to drive the pocket bottom plate 51 to lift; after the position adjustment of the pocket bottom plate 51 in the vertical direction is completed, the lifting rod 53 is fixed on the sliding block 55 through the second locking piece 57, so that the pocket bottom plate 51 is fixed in the vertical direction, the bottom of the battery pack 6 is supported by the pocket bottom plate 51, and the risk of cold welding is prevented when the middle part of the single battery 61 is in the holding process, the bottom of the battery pack 6 placed in the box is uneven and the welding is caused.
In this application, the specific embodiments of the first lock 56 and the second lock 57 may be: the first locking member 56 and the second locking member 57 are bolts, a first through hole for the connecting rod 52 to penetrate through and a second through hole for the lifting rod 53 to penetrate through are formed in the sliding block 55, a first threaded hole for communicating the first through hole with the outside and a second threaded hole for communicating the second through hole with the outside are further formed in the sliding block 55, the first locking member 56 is in threaded connection with the first threaded hole, and the second locking member 57 is in threaded connection with the second threaded hole.
When the slider 55 is sleeved on the connecting rod 52 through the first through hole, the slider 55 can be fixed on the connecting rod 52 through the first locking piece 56 and the first threaded hole in a screwed connection mode to be abutted with the connecting rod 52, and when the first locking piece 56 and the first threaded hole in a screwed connection mode are not abutted with the connecting rod 52, the slider 55 can be loosened on the connecting rod 52. When the lifting rod 53 penetrates through the second through hole, the lifting rod 53 can be fixed on the sliding block 55 by screwing the second locking piece 57 and the second threaded hole to be in contact with the lifting rod 53; when the second locking member 57 is screwed with the second threaded hole and does not abut against the lifting rod 53, the lifting rod 53 can be released from the slider 55.
In the present embodiment, the battery pack 6 includes a plurality of unit cells 61 arranged in parallel, and end plates 62 located on both sides of the plurality of unit cells 61, the fixed clamp arm 2 is abutted against one end plate 62, and the movable clamp arm 3 is abutted against the other end plate 62. The battery pack 6 includes a plurality of unit cells 61 and two end plates 62, the plurality of unit cells 61 are arranged in parallel, and the plurality of unit cells 61 are sandwiched by the two end plates 62, so that the plurality of unit cells 61 form an integral structure. When the clamping mechanism clamps the battery pack 6, the fixed clamping arm 2 is abutted with the end plate 62 on one side of the plurality of single batteries 61, the movable clamping arm 3 is abutted with the end plate 62 on the other side of the plurality of single batteries 61, so that when the fixed clamping arm 2 and the movable clamping arm 3 apply large clamping force to the battery pack 6, the end plates 62 on two sides protect the single batteries 61, and the fixed clamping arm 2 and the movable clamping arm 3 are prevented from clamping the single batteries 61 to damage, so that the use of the single batteries is influenced, and the performance of the battery pack 6 is influenced.
In this embodiment, the end plate 62 is provided with a saw-tooth groove 621, and the fixed clamping arm 2 and the movable clamping arm 3 are provided with saw-tooth protrusions 31 which are matched with the saw-tooth groove 621. All be equipped with zigzag groove 621 on two end plates 62, all be equipped with zigzag protrusion 31 on fixed clamping arm 2 and the removal clamping arm 3, when fixed clamping arm 2 and removal clamping arm 3 respectively with two end plates 62 butt, zigzag protrusion 31 on fixed clamping arm 2 and the removal clamping arm 3 cooperate with zigzag groove 621 on two end plates 62 respectively to increase the frictional force between fixed clamping arm 2 and removal clamping arm 3 and the end plates 62, and then prevent dropping in the battery transportation process.
The above description may be implemented alone or in various combinations and these modifications are within the scope of the present utility model.
Claims (10)
1. CTP battery income case fixture, its characterized in that: the battery pack comprises a top plate (1), a fixed clamping arm (2) arranged at one end of the top plate (1), a movable clamping arm (3) arranged at the other end of the top plate (1), an adjusting device (4) for adjusting the distance between the movable clamping arm (3) and the fixed clamping arm (2), and a bottom covering device (5) for supporting the bottom of a battery pack (6); the fixed clamping arm (2) is abutted to one side of the battery pack (6), the movable clamping arm (3) is movably connected with the top plate (1), and the adjusting device (4) adjusts the position of the movable clamping arm (3) on the top plate (1) to enable the movable clamping arm (3) to be abutted to the other side of the battery pack (6).
2. A CTP battery-in-box clamping mechanism as recited in claim 1, wherein: the adjusting device (4) comprises a connecting seat (41) arranged below the top plate (1), a rotating piece in rotating fit with the connecting seat (41), and a rotating handle (43) for operating the rotating piece to rotate, wherein one end of the rotating piece penetrates through the connecting seat (41) and then is in rotating connection with the movable clamping arm (3).
3. A CTP battery-in-box clamping mechanism as recited in claim 2, wherein: the connecting seat (41) is provided with a trapezoidal nut (411) penetrating through the connecting seat (41), one end of the rotating piece penetrates through the trapezoidal nut (411) and then is connected with the trapezoidal screw (42) in a rotating mode of the movable clamping arm (3), the middle portion of the trapezoidal screw (42) is in threaded connection with the trapezoidal nut (411), and the rotating handle (43) is arranged at the other end of the trapezoidal screw (42).
4. A CTP battery-in-box clamping mechanism as recited in claim 2, wherein: the connecting seat (41) is provided with a bushing (412) penetrating through the connecting seat (41), and the adjusting device (4) further comprises a guide rod (44) with one end fixedly connected with the movable clamping arm (3) and the other end spliced with the bushing (412).
5. A CTP battery-in-box clamping mechanism as recited in claim 1, wherein: the bottom covering device (5) comprises a lifting assembly, wherein the top of the lifting assembly is connected with the top plate (1), and a bottom covering plate (51) arranged at the bottom of the lifting assembly, and the lifting assembly can lift.
6. A CTP battery-in-box clamping mechanism as recited in claim 5, wherein: the lifting assembly comprises a connecting rod (52) horizontally connected with the top plate (1) and a lifting rod (53) vertically connected with the connecting rod (52), the lifting rod (53) can move in the vertical direction on the connecting rod (52), and the pocket bottom plate (51) is arranged at the bottom of the lifting rod (53).
7. A CTP battery-in-box clamping mechanism as recited in claim 6, wherein: the lifting assembly further comprises a fixed block (54) for fixing the connecting rod (52) below the top plate (1) and a sliding block (55) which is in sliding connection with the connecting rod (52), and the lifting rod (53) is connected with the sliding block (55) and can be adjusted in height in the vertical direction.
8. A CTP battery-in-box clamping mechanism as recited in claim 7, wherein: the lifting assembly further comprises a first lock (56) for fixing or releasing the slider (55) on the connecting rod (52), and a second lock (57) for fixing or releasing the lifting rod (53) on the slider (55).
9. A CTP battery-in-box clamping mechanism as recited in claim 1, wherein: the battery pack (6) comprises a plurality of single batteries (61) which are arranged in parallel, and end plates (62) which are positioned on two sides of the single batteries (61), wherein the fixed clamping arm (2) is abutted with one end plate (62), and the movable clamping arm (3) is abutted with the other end plate (62).
10. A CTP battery-in-box clamping mechanism as recited in claim 9, wherein: the end plate (62) is provided with a zigzag groove (621), and the fixed clamping arm (2) and the movable clamping arm (3) are respectively provided with zigzag protrusions (31) matched with the zigzag groove (621).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320913446.8U CN219468993U (en) | 2023-04-21 | 2023-04-21 | CTP battery goes into case fixture |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202320913446.8U CN219468993U (en) | 2023-04-21 | 2023-04-21 | CTP battery goes into case fixture |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117059871A (en) * | 2023-10-12 | 2023-11-14 | 宁德时代新能源科技股份有限公司 | Bottom covering device, grabbing equipment, production line and method for replacing type of bottom covering device |
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2023
- 2023-04-21 CN CN202320913446.8U patent/CN219468993U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117059871A (en) * | 2023-10-12 | 2023-11-14 | 宁德时代新能源科技股份有限公司 | Bottom covering device, grabbing equipment, production line and method for replacing type of bottom covering device |
| CN117059871B (en) * | 2023-10-12 | 2024-03-29 | 宁德时代新能源科技股份有限公司 | Bottom covering device, grabbing equipment, production line and method for replacing type of bottom covering device |
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